I believe the answer is A. Hope I helped :)
Explanation:
Okay, I'm gonna use my strategy, you're welcome to re word it. Answer
Stories of tragic hero's have held our interest of the centuries for many reasons. Some of these reasons are, some of our hero's go MIA [missing in action] and we have no clue what happend, they saved others lives in return of their own, or the hero's weren't even trying to help. An example of this is [the last one] on August 6th, 1945, an atomic bomb was dropped on Hiroshima, Japan. This bomb caused devastating radiation that still remains in Hiroshima, and it can still cause cancers and or birth defects. There is a story [A very true story] that says, "The morning the bomb was dropped, someone was standing right outside a bank on the steps. Nobody knows age, gender, nothing about this person. But the were immediately cremated becuae of the bomb, which protected the stone steps. This staircase is held in a museum in Japan to remind us of the past and our heros." I placed an article at the bottom of this page so you can read it.
Article: http://www.openculture.com/2016/03/the-shadow-of-a-hiroshima-victim-etched-into-stone-steps-is-all-that-remains-after-1945-atomic-blast.html
Answer:
(3) control group
Explanation:
Control group refers to the group of standar individuals who do not receive treatment by researchers, so that their results are compared with the experiential group which did receive treatment.
In the experiment about pulse rate according to music, the student does not include the average pulse rate of the control group that was not exposed to different types of music.
Well objective cases only affect personal pronouns so the statement is true.
